Minerva Technologies full stack .net developer Interview Questions and Answers

Q1. It was mainly java, interviewers are very good and supportive to elaborate more about problem.
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Q2. Scenario based on your earlier work experience
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Q1. Basic level react questions
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Q1. Some react coding and some basic level react questions
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Quantitative , figure ,mcq question based on tech stack and 2 coding question which are basic. 90 minute time limit.

Q1. Angular question
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Q2. .net question and sql question
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Q1. Discuss about OWASP features
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Q1. Longest common substring in an array
Ans. 
Find the longest common substring in an array of strings.
• Iterate through each string in the array and compare with all other strings to find common substrings.

• Keep track of the longest common substring found so far.

• Return the longest common substring at the end.
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Q1. Explain Virtual DOM in React
Ans. 
Virtual DOM in React is a lightweight copy of the actual DOM, used for efficient updates and rendering.
• Virtual DOM is a concept where a lightweight copy of the actual DOM is created in memory.

• When changes are made to the UI, React compares the Virtual DOM with the actual DOM to identify the differences.

• React then updates only the necessary parts of the actual DOM, minimizing the number of DOM manipulations for better p...read more
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Q2. How to optimise a React application
Ans. 
Optimising a React application involves code splitting, lazy loading, using memoization, reducing unnecessary re-renders, and optimizing network requests.
• Implement code splitting to load only necessary code for each route or component.

• Use lazy loading to load components only when they are needed, reducing initial load time.

• Utilize memoization techniques like useMemo and useCallback to prevent unnecessary re-renders.

• Avo...read more
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Q1. The initial screening Round was done
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Q2. Expectations, CTC, job role
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Q1. Questions fired from java spring and react
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Q2. Answered all and cleared the interview
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Q1. Tell me about your self?
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Q2. What is oops in javascript?
Ans. 
Object-oriented programming concepts in JavaScript.
• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Inheritance: Objects can inherit properties and methods from other objects.

• Polymorphism: Objects can share the same interface but have different implementations.
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Q3. What is props in react js?
Ans. 
Props in React JS are read-only properties that are passed from parent components to child components.
• Props allow you to pass data from a parent component to a child component.

• Props are immutable and cannot be changed by the child component.

• Props are accessed in the child component using this.props.

• Example: where 'name' is a prop passed from the parent component.
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Q4. Props in react js?
Ans. 
Props in React JS are used to pass data from parent components to child components.
• Props are read-only and cannot be modified by the child component.

• Props are passed down the component tree using custom attributes.

• Props help in creating reusable components by passing dynamic data.

• Example:
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Round duration - 90 minutes
Round difficulty - Medium

Q1. 
Find All Subsets
Given an array arr consisting of 'N' distinct integers, your task is to generate all possible non-empty subsets of the given array.
You can return the subsets in any order.
Input:
The ...read more
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Round duration - 60 Minutes
Round difficulty - Medium

The technical question was mainly based on my resume, followed by coding questions.

Round duration - 30 Minutes
Round difficulty - Easy

It was a coding round

Q1. 
Reverse Linked List Problem Statement
Given a singly linked list of integers, return the head of the reversed linked list.
Example:
Initial linked list: 1 -> 2 -> 3 -> 4 -> NULL
Reversed link...read more
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Round duration - 20 Minutes
Round difficulty - Easy